#!/usr/bin/env python

# -------------------------------
# projects/python/collatz/main.py
# Copyright (C) 2009
# Glenn P. Downing
# -------------------------------

# To run the program
#     main.py < Primes.in > Primes.out

# To document the program
#     pydoc -w main

# -------
# globals
# -------

from math import sqrt


i = 0 # input: don't change after reading
one = 0 # output
two = 0 # output
three = 0 # output
four = 0 # output
imposs = False

primes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,
139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,
307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,
467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,
661,673,677,683,691,701,709,719,727,733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,
877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997,1009,1013,1019,1021,1031,1033,1039,1049,1051,1061,1063,1069,
1087,1091,1093,1097,1103,1109,1117,1123,1129,1151,1153,1163,1171,1181,1187,1193,1201,1213,1217,1223,1229,1231,1237,1249,1259,1277,1279,1283,1289,1291,
1297,1301,1303,1307,1319,1321,1327,1361,1367,1373,1381,1399,1409,1423,1427,1429,1433,1439,1447,1451,
1453,1459,1471,1481,1483,1487,1489,1493,1499,1511,1523,1531,1543,1549,1553,1559,1567,1571,1579,1583,
1597,1601,1607,1609,1613,1619,1621,1627,1637,1657,1663,1667,1669,1693,1697,1699,1709,1721,1723,1733,
1741,1747,1753,1759,1777,1783,1787,1789,1801,1811,1823,1831,1847,1861,1867,1871,1873,1877,1879,1889,
1901,1907,1913,1931,1933,1949,1951,1973,1979,1987,1993,1997,1999,2003,2011,2017,2027,2029,2039,2053,
2063,2069,2081,2083,2087,2089,2099,2111,2113,2129,2131,2137,2141,2143,2153,2161,2179,2203,2207,2213,
2221,2237,2239,2243,2251,2267,2269,2273,2281,2287,2293,2297,2309,2311,2333,2339,2341,2347,2351,2357,
2371,2377,2381,2383,2389,2393,2399,2411,2417,2423,2437,2441,2447,2459,2467,2473,2477,2503,2521,2531,
2539,2543,2549,2551,2557,2579,2591,2593,2609,2617,2621,2633,2647,2657,2659,2663,2671,2677,2683,2687,
2689,2693,2699,2707,2711,2713,2719,2729,2731,2741,2749,2753,2767,2777,2789,2791,2797,2801,2803,2819,
2833,2837,2843,2851,2857,2861,2879,2887,2897,2903,2909,2917,2927,2939,2953,2957,2963,2969,2971,2999,
3001,3011,3019,3023,3037,3041,3049,3061,3067,3079,3083,3089,3109,3119,3121,3137, 3163]

# -----------
# InputReader
# -----------

class InputReader (object) :
    def read (self) :
        return raw_input()

# ------------
# OutputWriter
# ------------

class OutputWriter (object) :
    def write (self, *a) :
        for w in a :
            print w,
        print

# -------
# my_read
# -------

def my_read (r) :
    """
    reads an int into i 
    return true if that succeeds, false otherwise
    """
    global i

    try :
        s = r.read()
    except EOFError :
        return False
    l = s.split()
    i = int(l[0])

    assert (i <= 10000000)

    return True

# -------
# my_eval
# -------

def my_eval () :
    """
    computes the four prime numbers that sum 
    to the input i, prints Impossible otherwise
    """
    global i
    global one 
    global two 
    global three
    global four
    global imposs

    if (i < 8) :
        print "Impossible."
        imposs = True
        return
    imposs = False
    if (i % 2 != 0) :
        one = 2
        two = 3
        r = i - 5
    else : 
        one = 2
        two = 2
        r = i - 4   

    for j in range (0,len(primes)) :
        x = r - primes[j]
        if (is_prime(x)) :
            three = primes[j]
            return
        

# --------
# is_prime
# --------

def is_prime (x) :
    """
    returns true if x is prime, false otherwise
    """
    assert (x > 0 and x < 10000000)
    global four

    for j in range (0, len(primes)) :
        if (primes[j] > sqrt(x)) :
            four = x
            return True
        else :
            if (x % primes[j] == 0) :
                return False


# --------
# my_print
# --------

def my_print (w) :
    """
    writes the values of one, two, three, four
    """
    global one
    global two
    global three
    global four
    global imposs

    assert (one > 0 and two > 0 and three > 0 and four > 0)

    if (not imposs) :
         w.write(one, two, three, four)

# ----
# main
# ----

def main () :
    """
    runs the program
    """
    while my_read(InputReader()) :
        my_eval()
        my_print(OutputWriter())

if __name__ == "__main__" :
    main()

